Bike details
Overview
Key information split into simple groups.
Bike summary
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Frame Aluminum -
Wheels 12" -
Suspension Rigid -
Motor 250W hub-drive -
Battery MDK 4Ah 80Wh -
Brakes Mechanical Disc
Parts list
Components
Main components, grouped by system.
Bike components
Frame
Frame
Grommy 12 6061 Alloy Stealth evo, HHG internal cable routing, Resin footrest, Resin motor cover, Resin chain protector, Post mount disc brake mount.
Suspension Fork
MDK 12 Kid, Rigid alloy Stealth stanchions.
Drivetrain
Chain
KMC Z33 Half Link, 1 speed.
Wheels
Front Hub
KT K88F 9x100mm cup&cone ball bearings
Rear Hub
KT TV-3R 9x110mm cup&cone ball bearings
Rims
MDK-Push 12, alloy 21mm internal width, 28 spokes
Spokes
CN round stainless steel black
Tires
Front: Vee Tire Crown Gem 12x2.25 27TPI Wired Bead, Rear: Vee Tire Crown Gem 12x2.25 27TPI Wired Bead
Brakes
Brakes
Tektro MD-510 Mechanical hydraulic, flat mount caliper, 140mm IS 6 bolts rotor
Brake Levers
Tektro JL-350RS kids specific alloy 4 fingers
Cockpit
Stem
MDK, 6061 melt forged alloy, 25.4mm barbore, rise: 0º, length: 30mm
Handlebar
MDK 1.0, 6061 alloy, rise: 25mm, width: 500mm, 9º backsweep, 5º upsweep, 25.4mm barbore
Grips
Kids
Headset
FPD CHEX-1089, Internal ZS, 44/50 upper and lower cup
Seat
Saddle
MDK Kids series
Seatpost
One piece Push
Motor & Battery
Motor
MDK brushless 250w Output
Battery
MDK 4Ah 80Wh
Fit data
Geometry
Numbers for sizing and ride feel.
About this model
GROMMY 12 is a Mondraker E Grommy model. Mondraker released 6 e-bikes variations of this model so far. You can get a glimpse at all models from 2023, by clicking on this link.
Safety
Your safety is a top priority so always wear a helmet when you ride your bike. Moreover, wear the right clothing. You want to be visible to other drivers, so avoid wearing dark clothing.
Youth e-bikes average price
Our math shows that the average cost of a dependable Youth e-bike is 1895$. However, even if your budget is less than the average, you might still be able to get a top-quality Youth e-bike. In short, before purchasing your ideal e-bike do some research about its components, and also check for reviews online.
Average weight for Youth e-bikes
On a deeper look, we notice that the average weight of a Youth e-bike is 17.49 kg (38.56 lbs). Having an easier bike than average will give you a great advantage on climbs. However, a heavier bike will gain more speed on descends.
much lighter than average, GROMMY 12 has a weight of 7.7 kg (16.98 lbs). In conclusion, the average Youth e-bike weighs 127.14% more than GROMMY 12.
Internal Cable Routing
This bike has an internal cable routing. As a result, this helps to preserve the bike’s cables. No more cables around your bike.
GROMMY 12 components
Fork material
When it comes to the fork, this e-bike has an aluminum one, which doesn’t add too much extra weight to the e-bike. However, it is not so stiff as steel or carbon forks are.
Wheels
As for the wheels, Mondraker GROMMY 12 2023, has a 12″ aluminum model. The 12″ wheels are a good fit for folding bikes, BMX, or children bikes. In conclusion, you can use them better on-road, and less on technical terrain.
Brakes
We ride faster and faster, so a good braking system is essential on a bike nowadays. The GROMMY 12 comes with Mechanical Disc brakes. They are much easier to maintain than hydraulic disk brakes. However, with hydraulic disk brakes, you have the ultimate braking power!